[
  {
    "gtc_id":	"G42843FU",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	null
  },
  {
    "gtc_id":	"G52018GM",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	1873.61
  },
  {
    "gtc_id":	"G04017UD",
    "iupac_condensed":	null,
    "motif":	null,
    "subsumption":	"Fully-defined saccharide",
    "mass":	1873.61
  },
  {
    "gtc_id":	"G87299MP",
    "iupac_condensed":	"Gal(a1-2)[Gal(b1-2)D-Rha(a1-4)]GlcA(a1-3)[Gal(b1-6)]Man(a1-3)Glc",
    "motif":	null,
    "subsumption":	"Linkage-defined saccharide",
    "mass":	1150.36
  }
]